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A former Marlborough School teacher charged with sexually abusing two students more than a decade ago is expected to plead to four criminal counts next week as part of a deal with prosecutors, his attorney and the victims’ attorney said Wednesday.

Former Marlborough School teacher Joseph Thomas Koetters, left, is arraigned Feb. 25, 2015, in Los Angeles County Superior Court on felony sex counts stemming from an alleged relationship with a former 16-year-old female student. Koetters is represented by his attorney, Leonard Levine, right. (Credit: Mark Boster / Los Angeles Times)
Former Marlborough School teacher Joseph Thomas Koetters, left, is arraigned Feb. 25, 2015, in Los Angeles County Superior Court on felony sex counts stemming from an alleged relationship with a former 16-year-old female student. Koetters is represented by his attorney, Leonard Levine, right. (Credit: Mark Boster / Los Angeles Times)

Joseph Thomas Koetters faces multiple charges that could send him to jail for 11 years. He has agreed to plead to the four counts related to sex acts with two teenage girls, the attorneys said. He is accused of abusing one student in 2000 and another in 2004.

As part of the deal, Koetters will be sentenced to a year in county jail and will be required to register as a sex offender, said David Ring, who is representing both victims.

“It appears Mr. Koetters will accept responsibility in the criminal court for his sexual crimes against these girls,” Ring said. “I hope Marlborough will now own up and admit its fault in allowing this to occur under its watch.”

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